.selectitem{
   padding:0 50px;
   .title{
      font-size: 38px;
      font-family: NotoSanHans;
      font-weight: 400;
      color: #666666;
      line-height: 30px;
      margin-top: 100px;
   }
   ul{
      list-style: none;
      overflow: hidden;
      li{
         float: left;
         width: 320px;
         height: 80px;
         text-align: center;
         line-height: 80px;
         color: #333;
         background: #F0F0F0;
         margin-top: 33px;
         margin-right: 32px;
         font-size: 32px;
         &:nth-child(3n){
            margin-right: 0;
         }
         &.active{
            background-color: #2e57ff;
            color:#fff;
         }
      }
   }
}